Papers 47.4
--------------

* Papers 47.4 includes a fix for Poppler 24.12 and newer, where previously an
incorrect colour depth was used, whose fix resulted in a breaking change:
1cc534e47 ("libdocument, pdf: use the color conversion function to specify colors for signing data")

* Other fixes:
- #353 Application crashes on PDF refresh (at least partially, due to conflation of similar crashes)
- missing focus outline
- stalled print preview
 #388 Blurry pdf rendering using fractional scaling

* Translation updates:
- Fix escaping issue in Hindi (Jeremy Bícha)